A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

Count the number of triangles in the below picture?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What does this mean?

CCCCCCC

Can you find the company name in the pictogram below?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Before Mount Everest was discovered, what was the highest mountain in the world?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?